Making Solder Preforms - Secondary Processing

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So by now in our process we have a form of metal that should have exactly the alloy you have requested, but a large piece of solder isn’t going to help you solder together microelectronics components. We need to start manipulating the solder into a usable form, in this case a preform.

The freshly alloyed solder is converted from a stout chunk of metal into flat stock. This flat stock won’t be what you need either – (assuming you need a preform) but it is a step in the right direction. Just as with alloying, there is a science to reducing the cross-section of different solder alloys. We have been perfecting this for over 80 years.

The next step to make a preform is cutting the parts out of the flat stock we just created.